72066260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 177577344

約数和(自身を除く): 105511084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 302, 487, 490, 604, 755, 974, 980, 1057, 1510, 1948, 2114, 2435, 3020, 3409, 4228, 4870, 5285, 6818, 7399, 9740, 10570, 13636, 14798, 17045, 21140, 23863, 29596, 34090, 36995, 47726, 68180, 73537, 73990, 95452, 119315, 147074, 147980, 238630, 294148, 367685, 477260, 514759, 735370, 1029518, 1470740, 2059036, 2573795, 3603313, 5147590, 7206626, 10295180, 14413252, 18016565, 36033130, 72066260]

約数ペア:

[(1, 72066260), (2, 36033130), (4, 18016565), (5, 14413252), (7, 10295180), (10, 7206626), (14, 5147590), (20, 3603313), (28, 2573795), (35, 2059036), (49, 1470740), (70, 1029518), (98, 735370), (140, 514759), (151, 477260), (196, 367685), (245, 294148), (302, 238630), (487, 147980), (490, 147074), (604, 119315), (755, 95452), (974, 73990), (980, 73537), (1057, 68180), (1510, 47726), (1948, 36995), (2114, 34090), (2435, 29596), (3020, 23863), (3409, 21140), (4228, 17045), (4870, 14798), (5285, 13636), (6818, 10570), (7399, 9740)]